It is 1/81 (one eighty-firsts). You can "distribute" the fourth power by raising both the numerator (1) and the denominator (3) to the fourth.
It is x to the power five twelfths.
positive 1
yes two thirds is 66.6666 repeating one fourth is 25 percent
one over six to the fourth
It is 0.6666666
No.
no
Five eights plus two thirds minus one fourth is equal to 1.04
Negative one half to the fourth power equals 0.0625
62/3
4.583
2 - 3